English verb conjugation CAN RETAIN

Regular verb: retain - retained - retained

Affirmation

Simple form

I can retain
you can retain
he can retain
we can retain
you can retain
they can retain

V-ing form

I can be retaining
you can be retaining
he can be retaining
we can be retaining
you can be retaining
they can be retaining

Perfect

I can have retained
you can have retained
he can have retained
we can have retained
you can have retained
they can have retained

V-ing perfect

I can have been retaining
you can have been retaining
he can have been retaining
we can have been retaining
you can have been retaining
they can have been retaining

Negation

Simple form

I can't retain
you can't retain
he can't retain
we can't retain
you can't retain
they can't retain

V-ing form

I can't be retaining
you can't be retaining
he can't be retaining
we can't be retaining
you can't be retaining
they can't be retaining

Perfect

I can't have retained
you can't have retained
he can't have retained
we can't have retained
you can't have retained
they can't have retained

V-ing perfect

I can't have been retaining
you can't have been retaining
he can't have been retaining
we can't have been retaining
you can't have been retaining
they can't have been retaining

Interrogative form

Simple form

can I retain?
can you retain?
can he retain?
can we retain?
can you retain?
can they retain?

V-ing form

can I be retaining?
can you be retaining?
can he be retaining?
can we be retaining?
can you be retaining?
can they be retaining?

Perfect

can I have retained?
can you have retained?
can he have retained?
can we have retained?
can you have retained?
can they have retained?

V-ing perfect

can I have been retaining?
can you have been retaining?
can he have been retaining?
can we have been retaining?
can you have been retaining?
can they have been retaining?

Interro-negative form

Simple form

can't I retain?
can't you retain?
can't he retain?
can't we retain?
can't you retain?
can't they retain?

V-ing form

can't I be retaining?
can't you be retaining?
can't he be retaining?
can't we be retaining?
can't you be retaining?
can't they be retaining?

Perfect

can't I have retained?
can't you have retained?
can't he have retained?
can't we have retained?
can't you have retained?
can't they have retained?

V-ing perfect

can't I have been retaining?
can't you have been retaining?
can't he have been retaining?
can't we have been retaining?
can't you have been retaining?
can't they have been retaining?

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